TenPoint Crossbows Illuminating 3x Pro View 2 Crossbow Scope L HCA-097-II) PERFECT SIZE FOR A CROSSBOW: 8.5-inches long 7/8" scope mounting rings INCLUDED FULLY-COATED 3x32 optics Has non-illuminated black dots that can be turned on for either red or green rheostat-controlled, ILLUMINATED COLOR DOTS with 5 light intensities each Crosshairs for 20, 30, and 40 yards with a 50-yard dot (fourth dot is free standing, just below the 40-yard crosshair)